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Keflavik Intl

$422+ Cheap flights from Portland (PDX) to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — KEF
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Reykjavik Keflavik Intl are usually found in November or October, booked 82 days in advance, depart on a Tuesday or Saturday and return on a Monday

Cheap flight deals from Portland to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$427
(FlightHub)

One-way from

$422
(oojo)

Popular in

January

Cheapest in

November

Average price

$463

Good round-trip deal

$519 or less

Good one-way deal

$425 or less
Provider with most accurate pricing for Portland-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Portland-Reykjavik Keflavik Intl flights.
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From Portland to Reykjavik Keflavik Intl
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One-way flight from Portland to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 26% potential increase in price ($294 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Portland to Reykjavik Keflavik Intl.
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Price to beat on a one-way flight from Portland to Reykjavik Keflavik Intl.
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Find flight deals from Portland to Keflavik Intl

Cheapest flights from Portland to Keflavik Intl
Explore the most affordable flight options available from Portland to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This FlightHub deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/182:45 pmPDX - KEF
Nonstop7h 30mIcelandair
Sun 11/234:50 pmKEF - PDX
Nonstop8h 10mIcelandair
Deal found 10/28$427
This FlightHub deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/202:45 pmPDX - KEF
Nonstop7h 30mIcelandair
Mon 11/244:50 pmKEF - PDX
Nonstop8h 10mIcelandair
Deal found 10/28$627
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1010:40 amPDX - KEF
1 stop11h 35mMultiple Airlines
Wed 12/175:00 pmKEF - PDX
1 stop15h 19mMultiple Airlines
Deal found 10/25$777
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:00 amPDX - KEF
1 stop15h 05mMultiple Airlines
Sat 11/225:00 pmKEF - PDX
1 stop13h 45mMultiple Airlines
Deal found 10/28$779
This Icelandair deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:00 amPDX - KEF
1 stop15h 05mMultiple Airlines
Sun 11/234:50 pmKEF - PDX
Nonstop8h 10mMultiple Airlines
Deal found 10/28$813
This Icelandair deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/109:10 amPDX - KEF
1 stop12h 55mMultiple Airlines
Mon 11/174:50 pmKEF - PDX
Nonstop8h 10mMultiple Airlines
Deal found 10/26$815
This FlightHub deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/252:45 pmPDX - KEF
Nonstop7h 30mIcelandair
Mon 12/14:50 pmKEF - PDX
Nonstop8h 10mIcelandair
Deal found 10/26$840
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:10 amPDX - KEF
1 stop14h 55mMultiple Airlines
Thu 12/114:55 pmKEF - PDX
2 stops15h 24mMultiple Airlines
Deal found 10/25$848
This KAYAK deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:30 amPDX - KEF
2 stops21h 45mLufthansa
Fri 12/123:25 pmKEF - PDX
2 stops37h 50mLufthansa
Deal found 10/27$850
This FlightHub deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/242:45 pmPDX - KEF
Nonstop7h 30mIcelandair
Mon 12/14:50 pmKEF - PDX
Nonstop8h 10mIcelandair
Deal found 10/26$855
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:16 amPDX - KEF
1 stop15h 19mMultiple Airlines
Fri 12/194:45 pmKEF - PDX
1 stop14h 08mMultiple Airlines
Deal found 10/27$880

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Keflavik Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from Portland to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Portland

Fly to

Keflavik Intl

Route

Depart

Return

Price

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Tue 2/24

6:00 am-9:15 am

2 stops43h 15m

Reykjavik Keflavik Intl

Thu 3/5

9:45 am-10:46 pm

2 stops21h 01m

$629

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sun 4/19

9:50 am-11:30 pm

2 stops30h 40m

Reykjavik Keflavik Intl

Sat 4/25

12:25 am-9:15 am

2 stops39h 50m

$633

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Tue 3/17

6:00 am-9:15 am

2 stops44h 15m

Reykjavik Keflavik Intl

Mon 4/20

8:35 am-5:40 pm

2 stops40h 05m

$633

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Thu 1/15

7:00 am-2:20 pm

2 stops23h 20m

Reykjavik Keflavik Intl

Sun 1/18

3:20 pm-6:30 pm

2 stops35h 10m

$638

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Fri 4/10

5:30 am-9:30 am

2 stops21h 00m

Reykjavik Keflavik Intl

Sun 4/12

11:25 am-9:35 pm

1 stop17h 10m

$658

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sun 4/12

7:30 pm-7:50 am

2 stops29h 20m

Reykjavik Keflavik Intl

Mon 4/20

8:35 am-5:40 pm

2 stops40h 05m

$663

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Tue 1/13

7:45 am-2:15 pm

2 stops46h 30m

Reykjavik Keflavik Intl

Fri 1/23

3:25 pm-6:56 pm

2 stops35h 31m

$685

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Thu 4/2

6:00 am-4:25 pm

2 stops27h 25m

Reykjavik Keflavik Intl

Thu 4/9

8:35 am-10:31 pm

2 stops20h 56m

$687

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Wed 2/25

5:45 pm-9:15 am

2 stops31h 30m

Reykjavik Keflavik Intl

Thu 3/5

9:45 am-10:46 pm

2 stops21h 01m

$717

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sun 4/19

7:30 pm-7:50 am

2 stops29h 20m

Reykjavik Keflavik Intl

Sun 4/26

8:35 am-5:40 pm

2 stops40h 05m

$721

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 20 results
1
2

Compare providers for flights from Portland to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Keflavik Intl in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Reykjavik Keflavik Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Reykjavik Keflavik Intl Airport

How far ahead should I book a flight from Portland to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Keflavik Intl. Price data was last updated on October 24, 2025.

The best time to book flights from Portland to Reykjavik Keflavik Intl Airport is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Portland to Reykjavik Keflavik Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Portland to Reykjavik Keflavik Intl Airport (average of $362). Flying from Portland to Reykjavik Keflavik Intl Airport in January is currently the most expensive (average of $938). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to KEF?

Find hourly flight availability from Portland to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

When flying from Portland to Reykjavik Keflavik Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 29% versus a flight in the evening.

What is the cheapest day to fly from Portland to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Portland to Keflavik Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland to Reykjavik Keflavik Intl Airport flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated October 28, 2025.
Get a feel of what it's like to fly with Delta and Icelandair from Portland to Reykjavik Keflavik Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,994 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Icelandair
7.1
Good
562 reviews
Delta
7.9
Good
7,994 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Portland to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Reykjavik Keflavik Intl?

    Most people fly from Portland (PDX) if they book a flight from Portland to Reykjavik Keflavik Intl. On average, Portland has 1 outbound flight to Reykjavik Keflavik Intl per day from 2 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.

  • How long is the flight from Portland to Reykjavik Keflavik Intl Airport?

    Finnair, Lufthansa, and Delta can get you from Portland to Reykjavik Keflavik Intl Airport in just under 21h. Your travel time can differ by up to 22h 15m. Airlines will cover a distance of 3724 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Portland to Reykjavik Keflavik Intl Airport round-trip?

    Currently priced at $363, Icelandair will fly you from Portland to Reykjavik Keflavik Intl Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as $424. Icelandair is currently priced 55% below the average price you’ll pay for this route.

  • What are the cheapest flights from Portland to Reykjavik Keflavik Intl Airport?

    The cheapest flight price from Portland to Reykjavik Keflavik Intl Airport is $317. On average you can expect to pay $1,195. The most popular route, (Portland - Reykjavik Keflavik Intl), can usually be booked for $418.

  • Can I find deals for flights from Portland to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Portland to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Keflavik Intl.

  • Can I find deals for business class flights from Portland to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Portland to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Portland to Reykjavik Keflavik Intl Airport (average of $362). Flying from Portland to Reykjavik Keflavik Intl Airport in January is currently the most expensive (average of $938). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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Top 2 airlines flying from Portland to Keflavik Intl

Discover the top 2 airlines that operate flights from Portland to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$363Average$724FlexibilityNo cancel feeOn-time76%
DeltaCheapest$424Average$690FlexibilityNo cancel feeOn-timeN/A

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